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Cards In This Set
| Front | Back |
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Skeletal system composed of
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–bones–joints–cartilage–tendons and ligaments
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Skeletal system functions
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–protects internal organs–supports and gives shape to the body–allows for movement (with the muscular system)–is the site of blood cell production
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•bone
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–group of cells working together for a common function
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3 types of bone cells
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–osteoblasts–osteocytes–osteoclasts •all 3 cells together perform bone remodeling that helps maintain calcium homeostasis in the body
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•Osteoblasts
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–bone forming cells
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•Osteocytes
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–Bone cells whose bone-formation function is complete= mature bone cell
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•Osteoclasts
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–bone absorbing cells
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The 5 main types of bones
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–long–sesamoid–flat–irregular–short
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Long bones
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Support weight of body and aide in movement
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Flat bones
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Protect internal organs
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Short bones
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Provide stability
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Sesamoid bones
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Reinforce tendons
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Irregular bones
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Provide stability
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Axial
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Midline of the body and contains skull, vertebral column, and rib cage
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Appendicular=
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Contains bones within pectoral and pelvic girdle and their attached limbs
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